Finding the Fourth Proportional to 17,123,808.88, 23,630,676.12 and 9,388,832.08
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Solution
The fourth proportional to 17,123,808.88, 23,630,676.12 and 9,388,832.08 is: 12,956,489.50
Step by Step Solution
- Step 1: Write the proportion equation
17,123,808.88 : 23,630,676.12 = 9,388,832.08 : x - Step 2: Convert to fraction form
17,123,808.88/23,630,676.12 = 9,388,832.08/x - Step 3: Cross multiply
17,123,808.88x = 23,630,676.12 × 9,388,832.08 - Step 4: Simplify right side
17,123,808.88x = 221,864,450,027,545.94 - Step 5: Solve for x
x = 221,864,450,027,545.94/17,123,808.88 - Step 6: Final answer
x = 12,956,489.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.